<template>
	<el-row class="container">
		<el-col :span="24" class="header">
			<el-col :span="10" class="logo" :class="collapsed?'logo-collapse-width':'logo-width'">
				{{collapsed?'':'你好,'+sysName+userType}}
			</el-col>
			<el-col :span="1">
				<div class="tools" @click.prevent="collapse">
					<i class="iconfont icon-fenlei"></i>
				</div>			
			</el-col>
			<el-col :span="12">
				<el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal" router>
				  <el-menu-item :index="indexlink">个人主页</el-menu-item>
				  <el-menu-item :index="'courseinfo?id='+course.courseId"  v-if="course.name">{{course.name}}</el-menu-item>
				</el-menu>					
			</el-col>
			<el-col :span="4" class="userinfo">
				<el-dropdown trigger="hover">
					<span class="el-dropdown-link userinfo-inner"><img  src="../../static/img/admin.jpg"  />{{sysUserName}}</span>					
					<el-dropdown-menu slot="dropdown">
						<el-dropdown-item divided @click.native="editpass">修改密码</el-dropdown-item>
						<el-dropdown-item divided @click.native="logout">退出登录</el-dropdown-item>
					</el-dropdown-menu>
				</el-dropdown>
			</el-col>
		</el-col>
		<el-col :span="24" class="main">
			<aside :class="collapsed?'menu-collapsed':'menu-expanded'">
				<!--导航菜单-->
				<el-menu :default-active="router.path" class="el-menu-vertical-demo" background-color="#545c64" @open="handleopen" @close="handleclose" @select="handleselect"
					 unique-opened router v-show="!collapsed">
					<template v-for="(item,index) in router" v-if="!item.hidden">
						
						<el-submenu :index="index+''" v-if="!item.leaf">							
							<template slot="title"><i :class="item.iconCls"></i>{{item.name}}</template>
							<el-menu-item v-for="child in item.children" :index="child.path" :key="child.path" v-if="!child.hidden">{{child.name}}</el-menu-item>
						</el-submenu>
						<el-menu-item v-if="item.leaf&&item.children.length>0" :index="item.children[0].path"><i :class="item.iconCls"></i>{{item.children[0].name}}</el-menu-item>
					</template>
				</el-menu>
				<!--导航菜单-折叠后-->
				<ul class="el-menu el-menu-vertical-demo collapsed" v-show="collapsed" ref="menuCollapsed">
					<li v-for="(item,index) in router" v-if="!item.hidden" class="el-submenu item">
						<template v-if="!item.leaf">
							<div class="el-submenu__title" style="padding-left: 20px;" @mouseover="showMenu(index,true)" @mouseout="showMenu(index,false)"><i :class="item.iconCls"></i></div>
							<ul class="el-menu submenu" :class="'submenu-hook-'+index" @mouseover="showMenu(index,true)" @mouseout="showMenu(index,false)"> 
								<li v-for="child in item.children" v-if="!child.hidden" :key="child.path" class="el-menu-item" style="padding-left: 40px;" :class="router.path==child.path?'is-active':''" @click="$router.push(child.path)">{{child.name}}</li>
							</ul>
						</template>
						<template v-else>
							<li class="el-submenu">
								<div class="el-submenu__title el-menu-item" style="padding-left: 20px;height: 56px;line-height: 56px;padding: 0 20px;" :class="router.path==item.children[0].path?'is-active':''" @click="$router.push(item.children[0].path)"><i :class="item.iconCls"></i></div>
							</li>
						</template>
					</li>
				</ul>
			</aside>
			<section class="content-container">
				<div class="grid-content bg-purple-light">
					<!--<el-col :span="24" class="breadcrumb-container">
						<strong class="title">{{$route.name}}</strong>
						<el-breadcrumb separator="/" class="breadcrumb-inner">
							<el-breadcrumb-item v-for="item in $route.matched" :key="item.path">
								{{ item.name }}
							</el-breadcrumb-item>
						</el-breadcrumb>
					</el-col>-->
					<el-col :span="24" class="content-wrapper">
						<transition name="fade" mode="out-in">
							<router-view></router-view>
						</transition>
					</el-col>
				</div>
			</section>
		</el-col>
	</el-row>
</template>

<script>
	import ComFunJS from'../common/js/util'
	import { requestinfo ,requestquit,courselist,courseStuself} from '../api/api';
	export default {
		data() {
			return {
				sysName:'',
				userType:"",
				collapsed:false,
				sysUserName: '',
				sysUserAvatar: '',
				indexlink:"",
				ID:"2",
				form: {
					name: '',
					region: '',
					date1: '',
					date2: '',
					delivery: false,
					type: [],
					resource: '',
					desc: ''
				},
				course:{
					
				},
				router:[],
				userinfo:{
					
				}
			}
		},
		computed:{
	      activeIndex(value){
	        return this.$route.path.replace('/','')
	      }
	    },
		methods: {
			onSubmit() {
				console.log('submit!');
			},
			handleopen() {
				//console.log('handleopen');
			},
			handleclose() {
				//console.log('handleclose');
			},
			handleselect: function (a, b) {
			},
			//修改密码
			editpass: function () {
				var _this = this;
				_this.$router.push('/resetting');
			},			
			//退出登录
			logout: function () {
				var _this = this;
				this.$confirm('确认退出吗?', '提示', {
					//type: 'warning'
				}).then(() => {
					requestquit().then(res=>{
						localStorage.removeItem('user');
						_this.$router.push('/login');
					})					
				}).catch(() => {

				});
			},
			getList:function (type) {
				let params={pageNum:1,pageSize:1,type:1};
				courselist(params).then((res) => {
					if(res.list.length>0){
						this.course=res.list[0];
						sessionStorage.setItem('course',JSON.stringify(this.course));						
					}else{
						this.course.name="";
						this.course.courseId=""
					}
				});
			},		
			StugetList:function (type) {
				let params={pageNum:1,pageSize:1,type:1};
				courseStuself(params).then((res) => {
					if(res.length>0){
						this.course=res[0];
						sessionStorage.setItem('course',JSON.stringify(this.course));						
					}else{
						this.course.name="";
						this.course.courseId=""
					}
				});
			},				
			//折叠导航栏
			collapse:function(){
				this.collapsed=!this.collapsed;
			},
			showMenu(i,status){
				this.$refs.menuCollapsed.getElementsByClassName('submenu-hook-'+i)[0].style.display=status?'block':'none';
			},
			validate(){
				requestinfo().then(res=>{
					if(res.error!=undefined){
						this.$router.push({ path:'/login' });
					}else{
						this.$store.state.role=res.role;
						this.$store.state.userId=res.userId;
						if(res.role=='student'){
							this.indexlink="coursebegin";
						}else{
							this.indexlink="video";
						}						
						localStorage.setItem('user',res.salt);
						this.userinfo=res;
						this.getrouter();
						this.sysName=this.userinfo.realName;
						if(this.userinfo.role=='teacher'){
							this.userType='老师'
						}
						if(this.userinfo.role=='child'){
							this.userType='同学'
						}							
					}
				})
			},
			getrouter(){		
				var role=this.userinfo.role;
				
				var routers=[];
				$.each(this.$router.options.routes, function(i,value) {		
					$.each(value.meta.role.split(','), function(e,result) {
						if(result==role&&value.meta.home=='resource'){
							routers.push(value)
						}
					});
				});
				this.router=routers				
			}			
		},
		mounted() {			
			var _this=this;
			_this.validate();
			setTimeout(function(){
				if(_this.$store.state.role=='student'){
					_this.StugetList()
				}else{
					_this.getList()
				}				
			},500)
		}
	}

</script>
<style>
.el-menu-item, .el-submenu__title{
	color: #fff;
}
.container .header{
	background-color:#5480e0!important
}
.el-submenu .el-menu-item:hover, .el-submenu__title:hover {
    background-color:#5480e0
}
.el-submenu .el-menu{
	background-color:#3b4f7b
}
.el-menu-demo{
	background: none;
}
.el-menu--horizontal .el-menu-item:hover, .el-menu--horizontal .el-submenu__title:hover{
	background:#495A80;
}
.el-menu--horizontal.el-menu--dark .el-submenu .el-menu-item.is-active, .el-menu-item.is-active{
	border-bottom:5px solid #20a0ff!important;
	color: #fff;
	background: #495A80;
}
</style>
<style scoped lang="scss">
	@import '~scss_vars';
	
	.container {
		position: absolute;
		top: 0px;
		bottom: 0px;
		width: 100%;
		.header {
			height: 60px;
			line-height: 60px;
			background: $color-primary;
			color:#fff;
			.userinfo {
				text-align: right;
				padding-right: 35px;
				float: right;
				.userinfo-inner {
					cursor: pointer;
					color:#fff;
					img {
						width: 40px;
						height: 40px;
						border-radius: 20px;
						margin: 10px 0px 10px 10px;
						float: right;
					}
				}
			}
			.logo {
				//width:230px;
				height:60px;
				font-size:16px;
				padding-left:20px;
				padding-right:20px;
				border-color: rgba(238,241,146,0.3);
				border-right-width: 1px;
				border-right-style: solid;
				img {
					width: 40px;
					float: left;
					margin: 10px 10px 10px 18px;
				}
				.txt {
					color:#fff;
				}
			}
			.logo-width{
				width:230px;
			}
			.logo-collapse-width{
				width:60px
			}
			.tools{
				padding: 0px 23px;
				width:14px;
				height: 60px;
				line-height: 60px;
				cursor: pointer;
			}
		}
		.main {
			display: flex;
			// background: #324057;
			position: absolute;
			top: 60px;
			bottom: 0px;
			overflow: hidden;
			aside {
				flex:0 0 230px;
				width: 230px;
				// position: absolute;
				// top: 0px;
				// bottom: 0px;
				.el-menu{
					width: 230px!important;
					height: 100%;
  					background-color:#495A80;	
  					  }
				  
				.collapsed{
					width:60px!important;
					.item{
						position: relative;
					}
					.submenu{
						position:absolute;
						top:0px;
						left:60px;
						z-index:99999;
						height:auto;
						display:none;
					}

				}
			}
			.menu-collapsed{
				flex:0 0 60px;
				width: 60px;
			}
			.menu-expanded{
				flex:0 0 230px;
				width: 230px;
			}
			.content-container {
				// background: #f1f2f7;
				flex:1;
				// position: absolute;
				// right: 0px;
				// top: 0px;
				// bottom: 0px;
				// left: 230px;
				overflow-y: scroll;
				padding: 20px;
				.breadcrumb-container {
					//margin-bottom: 15px;
					.title {
						width: 200px;
						float: left;
						color: #475669;
					}
					.breadcrumb-inner {
						float: right;
					}
				}
				.content-wrapper {
					background-color: #fff;
					box-sizing: border-box;
				}
			}
		}
	}
</style>